/* roulang page: index */
:root {
            --primary: #0d0d1a;
            --primary-light: #1a1a30;
            --primary-lighter: #242440;
            --accent: #c9a050;
            --accent-light: #e0c478;
            --accent-glow: #f0d68a;
            --accent-subtle: rgba(201, 160, 80, 0.12);
            --bg: #fafaf8;
            --bg-warm: #f5f2ec;
            --text: #1e1e1e;
            --text-secondary: #4a4a55;
            --text-light: #7a7a88;
            --white: #ffffff;
            --card-bg: #ffffff;
            --card-bg-alt: #f9f8f5;
            --border: #e6e4df;
            --border-light: #f0eee8;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --radius-full: 50%;
            --sidebar-width: 248px;
            --sidebar-collapsed: 0px;
            --topbar-height: 56px;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            transition: all var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }
        h1 {
            font-size: 2.8rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .app-layout {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            color: #e0dcd4;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
            box-shadow: 2px 0 30px rgba(0, 0, 0, 0.18);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar::-webkit-scrollbar {
            width: 3px;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 10px;
        }

        .sidebar-logo {
            padding: 24px 22px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-logo a {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: 900;
            flex-shrink: 0;
        }
        .sidebar-logo a:hover {
            color: #ffffff;
        }

        .sidebar-nav {
            flex: 1;
            padding: 14px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: #c5c0b8;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #f0ece4;
        }
        .sidebar-nav a.active {
            background: var(--accent-subtle);
            color: var(--accent-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }
        .sidebar-nav a .nav-badge {
            margin-left: auto;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.78rem;
            color: #8888a0;
            flex-shrink: 0;
            line-height: 1.6;
        }
        .sidebar-footer .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition-slow);
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--primary);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }
        .mobile-topbar .topbar-logo {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-topbar .topbar-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: var(--primary);
            font-weight: 900;
        }
        .mobile-topbar .hamburger {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            cursor: pointer;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-xs);
            transition: background var(--transition-fast);
        }
        .mobile-topbar .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-slow);
            pointer-events: none;
        }
        .sidebar-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            margin-bottom: 10px;
            font-family: var(--font-display);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 560px;
            line-height: 1.7;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .container-wide {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            font-family: var(--font-display);
            text-decoration: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #b8903a);
            color: #ffffff;
            border: none;
            box-shadow: 0 4px 16px rgba(201, 160, 80, 0.3);
        }
        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(201, 160, 80, 0.45);
            transform: translateY(-2px);
            color: #ffffff;
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
        }
        .btn-outline {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent);
            color: #ffffff;
        }
        .btn-ghost {
            background: transparent;
            color: var(--text);
            border: 1px solid var(--border);
        }
        .btn-ghost:hover {
            background: var(--bg-warm);
            border-color: #ccc;
        }
        .btn-lg {
            padding: 16px 34px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
            letter-spacing: 0.03em;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        .tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: var(--accent-subtle);
            color: var(--accent);
        }
        .tag-dark {
            background: var(--primary-light);
            color: #c5c0b8;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 22px;
            height: 22px;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 700;
            background: var(--accent);
            color: #ffffff;
            padding: 0 7px;
        }

        .card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #e0dcd4;
        }
        .card-padded {
            padding: 28px;
        }
        .card-image-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }

        .hero-section {
            position: relative;
            background: var(--primary);
            color: #ffffff;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 13, 26, 0.7) 0%, rgba(13, 13, 26, 0.88) 60%, rgba(13, 13, 26, 0.96) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 70px 0;
            max-width: 700px;
        }
        .hero-content .hero-tagline {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent-light);
            margin-bottom: 14px;
        }
        .hero-content h1 {
            font-size: 3rem;
            font-weight: 900;
            color: #ffffff;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .hero-content h1 span {
            color: var(--accent-light);
        }
        .hero-content .hero-desc {
            font-size: 1.1rem;
            color: #c5c0b8;
            line-height: 1.8;
            margin-bottom: 30px;
            max-width: 580px;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-light);
            letter-spacing: -0.02em;
        }
        .hero-stat-item .stat-label {
            font-size: 0.82rem;
            color: #9999aa;
            letter-spacing: 0.03em;
        }

        .stats-strip {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            margin-top: -40px;
            position: relative;
            z-index: 5;
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .stats-strip .stat-block {
            padding: 28px 20px;
            text-align: center;
            border-right: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }
        .stats-strip .stat-block:last-child {
            border-right: none;
        }
        .stats-strip .stat-block:hover {
            background: var(--bg-warm);
        }
        .stats-strip .stat-icon {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .stats-strip .stat-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .stats-strip .stat-desc {
            font-size: 0.82rem;
            color: var(--text-light);
            margin-top: 3px;
        }

        .section {
            padding: 64px 0;
        }
        .section-tight {
            padding: 40px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-title {
            margin-bottom: 8px;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .advantage-card {
            text-align: center;
            padding: 36px 24px;
        }
        .advantage-card .adv-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: var(--accent-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--accent);
            transition: all var(--transition);
        }
        .advantage-card:hover .adv-icon {
            background: var(--accent);
            color: #ffffff;
            transform: scale(1.08);
            box-shadow: 0 8px 24px rgba(201, 160, 80, 0.3);
        }
        .advantage-card h3 {
            margin-bottom: 8px;
            font-size: 1.15rem;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .story-image-wrap img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .story-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            border: 3px solid var(--accent);
            border-radius: var(--radius-lg);
            opacity: 0.3;
            pointer-events: none;
        }
        .story-text h2 {
            margin-bottom: 16px;
        }
        .story-text p {
            margin-bottom: 12px;
            font-size: 0.98rem;
            line-height: 1.85;
        }
        .story-text .story-highlight {
            border-left: 3px solid var(--accent);
            padding-left: 16px;
            color: var(--text);
            font-weight: 500;
            font-style: italic;
            margin: 16px 0;
        }

        .event-card {
            position: relative;
        }
        .event-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 3;
        }
        .event-card .card-body {
            padding: 20px;
        }
        .event-card .card-body h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .event-card .card-body .event-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 14px;
            margin-bottom: 8px;
        }
        .event-card .card-body p {
            font-size: 0.88rem;
            line-height: 1.6;
        }

        .partner-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            align-items: center;
        }
        .partner-item {
            background: var(--white);
            border-radius: var(--radius);
            padding: 20px 28px;
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--text-secondary);
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            min-width: 110px;
            box-shadow: var(--shadow-sm);
        }
        .partner-item:hover {
            box-shadow: var(--shadow-md);
            color: var(--accent);
            border-color: #d5cfc4;
            transform: translateY(-2px);
        }

        .testimonial-card {
            padding: 28px;
            background: var(--card-bg-alt);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            position: relative;
        }
        .testimonial-card .quote-icon {
            font-size: 2.5rem;
            color: var(--accent);
            opacity: 0.5;
            line-height: 1;
            margin-bottom: 10px;
        }
        .testimonial-card p {
            font-size: 0.93rem;
            line-height: 1.75;
            font-style: italic;
        }
        .testimonial-card .author-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 14px;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .testimonial-card .author-name {
            font-weight: 700;
            font-size: 0.9rem;
        }
        .testimonial-card .author-role {
            font-size: 0.75rem;
            color: var(--text-light);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            border: none;
            font-family: var(--font-display);
            letter-spacing: 0.01em;
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .news-card {
            display: flex;
            flex-direction: column;
        }
        .news-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-date {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }
        .news-card h3 {
            font-size: 1rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card p {
            font-size: 0.85rem;
            flex: 1;
            line-height: 1.6;
        }
        .news-card .read-more {
            margin-top: 12px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast);
        }
        .news-card .read-more:hover {
            gap: 10px;
            color: #a07830;
        }

        .cta-section {
            background: var(--primary);
            color: #ffffff;
            text-align: center;
            padding: 64px 28px;
            border-radius: var(--radius-xl);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(201, 160, 80, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            color: #ffffff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: #c5c0b8;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        .site-footer {
            background: var(--primary);
            color: #b0b0c0;
            padding: 48px 0 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 24px;
        }
        .footer-col h4 {
            color: #ffffff;
            margin-bottom: 14px;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: #9999aa;
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.8rem;
            color: #7777;
        }

        @media (max-width: 1200px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 4px 0 40px rgba(0, 0, 0, 0.4);
            }
            .sidebar-overlay {
                display: block;
            }
            .sidebar-overlay.active {
                display: block;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                padding-top: var(--topbar-height);
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-content .hero-desc {
                font-size: 1rem;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -20px;
            }
            .stats-strip .stat-block {
                border-right: 1px solid var(--border-light);
                border-bottom: 1px solid var(--border-light);
            }
            .stats-strip .stat-block:nth-child(even) {
                border-right: none;
            }
            .stats-strip .stat-block:nth-child(3),
            .stats-strip .stat-block:nth-child(4) {
                border-bottom: none;
            }
            .story-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.6rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat-item .stat-number {
                font-size: 1.5rem;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                margin-top: -10px;
            }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .section {
                padding: 40px 0;
            }
            .story-image-wrap img {
                aspect-ratio: 3/2;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 0.95rem;
            }
            .hero-section {
                min-height: 400px;
            }
            .hero-content {
                padding: 40px 0;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-content .hero-desc {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                gap: 12px;
            }
            .stats-strip {
                grid-template-columns: 1fr;
            }
            .stats-strip .stat-block {
                border-right: none;
                border-bottom: 1px solid var(--border-light);
            }
            .stats-strip .stat-block:last-child {
                border-bottom: none;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .partner-row {
                gap: 12px;
            }
            .partner-item {
                padding: 14px 18px;
                font-size: 0.8rem;
                min-width: 80px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.88rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.82rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
            .card-padded {
                padding: 18px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #8b1e3f;
            --primary-dark: #6b1630;
            --primary-light: #b83055;
            --accent: #f0a830;
            --accent-dark: #d4921a;
            --accent-light: #f7c060;
            --bg: #f9f7f4;
            --bg-alt: #f0ece6;
            --bg-dark: #1a1410;
            --bg-card: #ffffff;
            --text: #2c2418;
            --text-secondary: #6b5e4a;
            --text-light: #9a8c78;
            --text-on-dark: #e8e2d6;
            --text-on-primary: #fefaf4;
            --border: #d9d0c0;
            --border-light: #e8e0d4;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.13);
            --shadow-xl: 0 14px 56px rgba(0, 0, 0, 0.16);
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --sidebar-width: 250px;
            --header-height: 64px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Serif SC', 'STSong', 'SimSun', serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .app-layout {
            display: flex;
            min-height: 100vh;
            flex: 1;
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, #1c1410 0%, #2a1c14 40%, #1c1410 100%);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 4px 0 28px rgba(0, 0, 0, 0.3);
            transition: transform var(--transition);
        }

        .sidebar-logo {
            padding: 24px 22px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-text {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.25rem;
            color: #fefaf4;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .sidebar-nav {
            flex: 1;
            overflow-y: auto;
            padding: 12px 10px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: #b8a894;
            font-size: 0.92rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            opacity: 0.75;
            transition: opacity var(--transition);
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #e8dcc8;
        }
        .sidebar-nav a:hover i {
            opacity: 1;
        }

        .sidebar-nav a.active {
            background: linear-gradient(135deg, rgba(139, 30, 63, 0.55), rgba(139, 30, 63, 0.25));
            color: #fefaf4;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }
        .sidebar-nav a.active i {
            opacity: 1;
            color: var(--accent);
        }

        .nav-badge {
            display: inline-block;
            background: var(--accent);
            color: #1c1410;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-left: auto;
            line-height: 1.4;
        }

        .sidebar-footer-cta {
            padding: 16px 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-footer-cta .btn-sidebar {
            display: block;
            width: 100%;
            padding: 11px 16px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #1c1410;
            font-weight: 700;
            font-size: 0.88rem;
            text-align: center;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .sidebar-footer-cta .btn-sidebar:hover {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            box-shadow: 0 4px 18px rgba(240, 168, 48, 0.35);
            transform: translateY(-2px);
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* ========== TOP BAR (mobile) ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: #1c1410;
            z-index: 999;
            align-items: center;
            padding: 0 18px;
            justify-content: space-between;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }
        .mobile-topbar .hamburger {
            background: none;
            border: none;
            color: #e8dcc8;
            font-size: 1.4rem;
            padding: 6px;
            cursor: pointer;
        }
        .mobile-topbar .mobile-logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.15rem;
            color: #fefaf4;
            letter-spacing: 0.03em;
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            cursor: pointer;
        }
        .mobile-overlay.show {
            display: block;
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            background: linear-gradient(180deg, #1c1410 0%, #2a1c14 50%, #1c1410 100%);
            position: relative;
            overflow: hidden;
            padding: 70px 40px 60px;
            color: var(--text-on-dark);
            text-align: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .page-hero .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }
        .page-hero .breadcrumb-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.82rem;
            color: #b8a894;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .page-hero .breadcrumb-row a {
            color: var(--accent-light);
            transition: color var(--transition);
        }
        .page-hero .breadcrumb-row a:hover {
            color: var(--accent);
        }
        .page-hero .breadcrumb-row .sep {
            color: #5c4a38;
        }
        .page-hero h1 {
            font-family: var(--font-display);
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
            color: #fefaf4;
            line-height: 1.25;
        }
        .page-hero .hero-subtitle {
            font-size: 1.08rem;
            color: #c4b898;
            max-width: 580px;
            margin: 0 auto 20px;
            line-height: 1.6;
        }
        .page-hero .hero-stats-row {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .page-hero .hero-stat {
            text-align: center;
        }
        .page-hero .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.03em;
            line-height: 1.1;
        }
        .page-hero .hero-stat .stat-label {
            font-size: 0.8rem;
            color: #9a8c78;
            letter-spacing: 0.04em;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 60px 40px;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: rgba(139, 30, 63, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .section-dark .section-tag {
            color: var(--accent);
            background: rgba(240, 168, 48, 0.12);
        }
        .section-header h2 {
            font-family: var(--font-display);
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            color: inherit;
        }
        .section-header .section-desc {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .section-dark .section-desc {
            color: #b8a894;
        }
        .container {
            max-width: 1100px;
            margin: 0 auto;
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8e0d4;
        }
        .card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card .card-img-wrap .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #1c1410;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .card .card-img-wrap .card-badge.live {
            background: #e04545;
            color: #fff;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
            color: var(--text);
            line-height: 1.3;
        }
        .card .card-body .card-meta {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-bottom: 8px;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .card .card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            flex: 1;
            margin-bottom: 12px;
        }
        .card .card-body .btn-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.84rem;
            letter-spacing: 0.03em;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            align-self: flex-start;
        }
        .card .card-body .btn-card:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(139, 30, 63, 0.3);
        }

        /* ========== FEATURE LIST ========== */
        .feature-list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 18px;
        }
        .feature-list li {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition);
        }
        .feature-list li:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .feature-list li .feat-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(139, 30, 63, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .feature-list li .feat-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 3px;
            color: var(--text);
        }
        .feature-list li .feat-info span {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== TIMELINE / SCHEDULE ========== */
        .schedule-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .schedule-list li {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 18px;
            transition: all var(--transition);
            flex-wrap: wrap;
        }
        .schedule-list li:hover {
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }
        .schedule-list .sched-date {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
            min-width: 70px;
            text-align: center;
            letter-spacing: 0.03em;
            line-height: 1.3;
        }
        .schedule-list .sched-date strong {
            display: block;
            font-size: 1.6rem;
            color: var(--text);
        }
        .schedule-list .sched-info {
            flex: 1;
            min-width: 180px;
        }
        .schedule-list .sched-info h4 {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .schedule-list .sched-info span {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .schedule-list .sched-status {
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        .sched-status.upcoming {
            background: #fef3d5;
            color: #8b5e1e;
        }
        .sched-status.ongoing {
            background: #fde8e8;
            color: #b03030;
        }
        .sched-status.completed {
            background: #e8f0e8;
            color: #3a6b3a;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            text-align: center;
        }
        .stats-row .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stats-row .stat-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }
        .stats-row .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .stats-row .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.03em;
        }
        .stats-row .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1c1410 0%, #3a2018 100%);
            color: var(--text-on-dark);
            text-align: center;
            padding: 60px 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .cta-section p {
            color: #c4b898;
            margin-bottom: 22px;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .btn-cta-lg {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 28px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #1c1410;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.04em;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(240, 168, 48, 0.3);
        }
        .btn-cta-lg:hover {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            box-shadow: 0 10px 32px rgba(240, 168, 48, 0.45);
            transform: translateY(-3px);
        }

        /* ========== FAQ ========== */
        .faq-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-list li {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-list li:hover {
            box-shadow: var(--shadow);
        }
        .faq-list .faq-q {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            letter-spacing: 0.02em;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-list .faq-q:hover {
            background: rgba(139, 30, 63, 0.03);
        }
        .faq-list .faq-q .faq-icon {
            font-size: 0.8rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-list li.open .faq-q .faq-icon {
            transform: rotate(180deg);
        }
        .faq-list .faq-a {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.7;
        }
        .faq-list li.open .faq-a {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1c1410;
            color: #b8a894;
            padding: 50px 40px 24px;
            font-size: 0.88rem;
            margin-top: auto;
        }
        .site-footer .container {
            max-width: 1100px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col .footer-brand {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.2rem;
            color: #fefaf4;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }
        .footer-col h4 {
            color: #fefaf4;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }
        .footer-col a {
            display: block;
            color: #b8a894;
            font-size: 0.82rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.78rem;
            color: #6b5e4a;
            letter-spacing: 0.03em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .page-hero {
                padding: 50px 24px 40px;
                margin-top: var(--header-height);
            }
            .section {
                padding: 40px 20px;
            }
            .cards-grid {
                grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
                gap: 16px;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .schedule-list li {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .page-hero .hero-stats-row {
                gap: 20px;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .site-footer {
                padding: 36px 20px 20px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-stats-row {
                gap: 14px;
            }
            .page-hero .hero-stat .stat-num {
                font-size: 1.4rem;
            }
            .stats-row .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .schedule-list .sched-date strong {
                font-size: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1a1a2e;
            --primary-light: #25254a;
            --accent: #e94560;
            --accent-glow: #ff5e7a;
            --warm-orange: #ff6b35;
            --gold: #f0a500;
            --gold-light: #ffc53d;
            --bg: #f8f9fc;
            --bg-alt: #f0f2f8;
            --card-bg: #ffffff;
            --text: #2d2d3f;
            --text-weak: #6b6b80;
            --text-muted: #9999aa;
            --border: #e8e8f0;
            --border-light: #f0f0f5;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --sidebar-width: 250px;
            --header-mobile-height: 56px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--primary);
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
            transition: transform var(--transition);
            overflow-y: auto;
        }

        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-brand .brand-logo {
            font-size: 1.45rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1;
        }

        .sidebar-brand .brand-logo i {
            color: var(--accent-glow);
            font-size: 1.3rem;
        }

        .sidebar-brand .brand-sub {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .sidebar-nav {
            flex: 1;
            padding: 12px 10px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
        }

        .sidebar-nav a.active {
            background: linear-gradient(135deg, var(--accent) 0%, #d63850 100%);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(233, 68, 96, 0.35);
        }

        .sidebar-nav a.active i {
            color: #ffffff;
        }

        .nav-badge {
            margin-left: auto;
            font-size: 0.68rem;
            background: var(--gold);
            color: #1a1a2e;
            padding: 2px 7px;
            border-radius: 10px;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.4;
        }

        .sidebar-footer-mini {
            padding: 14px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
            letter-spacing: 0.03em;
        }

        /* ============ MOBILE HEADER ============ */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--primary);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .mobile-header .mobile-brand {
            font-weight: 800;
            color: #fff;
            font-size: 1.15rem;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .mobile-header .mobile-brand i {
            color: var(--accent-glow);
            font-size: 1.1rem;
        }

        .menu-toggle {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            transition: background var(--transition);
            border: none;
            cursor: pointer;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.14);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition);
            pointer-events: none;
        }

        .sidebar-overlay.show {
            display: block;
            opacity: 1;
            pointer-events: auto;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin var(--transition);
        }

        .container {
            max-width: 1080px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .container-wide {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ============ HERO BANNER ============ */
        .hero-banner {
            position: relative;
            background: linear-gradient(160deg, #1a1a2e 0%, #25254a 35%, #1f1f3a 60%, #1a1a2e 100%);
            padding: 50px 0 60px;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
            filter: blur(0.5px);
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(233, 68, 96, 0.25) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-banner .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #ffffff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            backdrop-filter: blur(6px);
        }

        .hero-badge i {
            color: var(--gold-light);
            font-size: 0.7rem;
        }

        .hero-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .hero-banner h1 .highlight {
            background: linear-gradient(135deg, var(--gold-light) 0%, var(--accent-glow) 60%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-banner .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 22px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 12px 22px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent) 0%, #d63850 100%);
            color: #fff;
            box-shadow: 0 4px 16px rgba(233, 68, 96, 0.35);
        }

        .btn-primary:hover {
            box-shadow: 0 6px 22px rgba(233, 68, 96, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold) 0%, #d48900 100%);
            color: #1a1a2e;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.35);
        }

        .btn-gold:hover {
            box-shadow: 0 6px 22px rgba(240, 165, 0, 0.5);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 1rem;
            border-radius: 28px;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.8rem;
            border-radius: 20px;
        }

        /* ============ SECTION STYLES ============ */
        .section {
            padding: 50px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-header .section-tag {
            display: inline-block;
            background: rgba(233, 68, 96, 0.08);
            color: var(--accent);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }

        .section-header p {
            color: var(--text-weak);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ============ HOT ACTIVITY CARDS ============ */
        .hot-activity-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .hot-activity-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-light);
        }

        .hot-activity-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(233, 68, 96, 0.2);
        }

        .hot-activity-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .hot-activity-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .hot-activity-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .hot-activity-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .hot-activity-card .card-tag.gold {
            background: var(--gold);
            color: #1a1a2e;
        }

        .hot-activity-card .card-tag.orange {
            background: var(--warm-orange);
            color: #fff;
        }

        .hot-activity-card .card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .hot-activity-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .hot-activity-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 10px;
        }

        .hot-activity-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .hot-activity-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .hot-activity-card .card-meta i {
            font-size: 0.7rem;
        }

        .countdown-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #fff3f5;
            color: var(--accent);
            font-weight: 700;
            font-size: 0.78rem;
            padding: 5px 10px;
            border-radius: 14px;
            border: 1px solid rgba(233, 68, 96, 0.2);
        }

        /* ============ CATEGORY CARDS ============ */
        .category-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .cat-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }

        .cat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(233, 68, 96, 0.2);
        }

        .cat-card .cat-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.3rem;
            transition: transform var(--transition);
        }

        .cat-card:hover .cat-icon {
            transform: scale(1.1);
        }

        .cat-icon.red {
            background: #fef0f3;
            color: var(--accent);
        }
        .cat-icon.gold-bg {
            background: #fffbe6;
            color: var(--gold);
        }
        .cat-icon.blue {
            background: #eef4ff;
            color: #3b6df0;
        }
        .cat-icon.green {
            background: #ecfaf3;
            color: #22a06b;
        }
        .cat-icon.purple {
            background: #f6f0fd;
            color: #7c3aed;
        }
        .cat-icon.orange-bg {
            background: #fff5f0;
            color: var(--warm-orange);
        }

        .cat-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .cat-card p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ============ TIMELINE / ANNOUNCEMENT ============ */
        .announce-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .announce-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 15px 18px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--accent);
            transition: all var(--transition);
        }

        .announce-item:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--accent-glow);
        }

        .announce-item .announce-date {
            flex-shrink: 0;
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            text-align: center;
            font-weight: 700;
            font-size: 0.75rem;
            color: var(--accent);
            min-width: 52px;
            letter-spacing: 0.03em;
        }

        .announce-item .announce-content h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 3px;
        }

        .announce-item .announce-content p {
            font-size: 0.8rem;
            color: var(--text-weak);
            line-height: 1.5;
        }

        .announce-item .announce-arrow {
            margin-left: auto;
            align-self: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .announce-item:hover .announce-arrow {
            transform: translateX(4px);
            color: var(--accent);
        }

        /* ============ PAST ACTIVITIES ============ */
        .past-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .past-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .past-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .past-card .past-img {
            height: 160px;
            overflow: hidden;
        }

        .past-card .past-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .past-card:hover .past-img img {
            transform: scale(1.05);
        }

        .past-card .past-body {
            padding: 14px 16px;
        }

        .past-card .past-body h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .past-card .past-body .past-date {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(233, 68, 96, 0.2);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            user-select: none;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--bg-alt);
        }

        .faq-question i {
            color: var(--text-muted);
            transition: transform var(--transition);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(150deg, #1a1a2e 0%, #25254a 50%, #1f1f3a 100%);
            padding: 50px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center / cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            margin-bottom: 20px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #141428;
            padding: 40px 0 0;
            color: #ccc;
            margin-top: auto;
        }

        .site-footer .container {
            max-width: 1080px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 28px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 2px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            opacity: 0.9;
        }

        .footer-col a {
            display: block;
            color: #9999aa;
            font-size: 0.82rem;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent-glow);
        }

        .footer-bottom {
            text-align: center;
            padding: 16px 0;
            font-size: 0.75rem;
            color: #666;
            letter-spacing: 0.03em;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .sidebar {
                width: 220px;
            }
            :root {
                --sidebar-width: 220px;
            }
            .hero-banner h1 {
                font-size: 2.1rem;
            }
            .hot-activity-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .category-grid-3 {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .past-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 260px;
                z-index: 1001;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay.show {
                display: block;
                opacity: 1;
                pointer-events: auto;
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: var(--header-mobile-height);
            }
            :root {
                --sidebar-width: 0px;
            }
            .hero-banner {
                padding: 36px 0 44px;
                min-height: auto;
            }
            .hero-banner h1 {
                font-size: 1.7rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.9rem;
            }
            .hot-activity-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .hot-activity-card .card-img-wrap {
                height: 170px;
            }
            .category-grid-3 {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .past-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .container,
            .container-wide {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero-banner h1 {
                font-size: 1.35rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.82rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 8px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .category-grid-3 {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .past-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hot-activity-card .card-img-wrap {
                height: 150px;
            }
            .announce-item {
                flex-direction: column;
                gap: 8px;
                padding: 12px 14px;
            }
            .announce-item .announce-date {
                align-self: flex-start;
            }
            .announce-item .announce-arrow {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .site-footer {
                padding: 28px 0 0;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0f0f1e;
            --primary-light: #1a1a35;
            --primary-lighter: #222244;
            --accent: #c8963e;
            --accent-light: #e0b860;
            --accent-glow: rgba(200, 150, 62, 0.25);
            --bg: #080816;
            --bg-card: #12122a;
            --bg-card-hover: #181838;
            --bg-surface: #1a1a35;
            --text: #e8e6f0;
            --text-bright: #ffffff;
            --text-muted: #9898b8;
            --text-weak: #6e6e8a;
            --border: #252545;
            --border-light: #303058;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(200, 150, 62, 0.15);
            --sidebar-width: 248px;
            --topbar-height: 56px;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-bright);
        }

        .container {
            width: 100%;
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Sidebar */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            border-right: 1px solid var(--border);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition);
            box-shadow: 2px 0 30px rgba(0, 0, 0, 0.4);
        }

        .sidebar::-webkit-scrollbar {
            width: 4px;
        }

        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .sidebar::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 4px;
        }

        .sidebar-logo {
            padding: 22px 20px 16px;
            border-bottom: 1px solid var(--border);
            flex-shrink: 0;
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-bright);
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }

        .sidebar-logo a:hover {
            color: var(--accent-light);
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #a07028);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 18px var(--accent-glow);
        }

        .sidebar-nav {
            flex: 1;
            padding: 10px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            background: var(--primary-light);
            color: var(--text-bright);
        }

        .sidebar-nav a.active {
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 600;
            box-shadow: var(--shadow-glow);
        }

        .sidebar-nav a.active i {
            color: #1a1a1a;
        }

        .nav-badge {
            display: inline-block;
            background: #e04040;
            color: #fff;
            font-size: 0.68rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 20px;
            margin-left: auto;
            letter-spacing: 0.02em;
            animation: badgePulse 2.2s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.08);
            }
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid var(--border);
            flex-shrink: 0;
            font-size: 0.75rem;
            color: var(--text-weak);
            text-align: center;
            line-height: 1.5;
        }

        /* Main content area */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Mobile top bar */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--primary);
            border-bottom: 1px solid var(--border);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
        }

        .mobile-topbar .hamburger {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--text-bright);
            font-size: 1.3rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-topbar .hamburger:hover {
            background: var(--primary-light);
        }

        .mobile-topbar .topbar-logo {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-bright);
            letter-spacing: 0.03em;
        }

        /* Overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
            transition: opacity var(--transition);
        }

        .sidebar-overlay.show {
            display: block;
            opacity: 1;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: var(--primary-light);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 56px 0;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 8, 22, 0.88) 0%, rgba(15, 15, 30, 0.78) 40%, rgba(18, 18, 42, 0.85) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--accent-light);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--text-bright);
        }

        .breadcrumb .sep {
            color: var(--text-weak);
        }

        .breadcrumb .current {
            color: var(--text-bright);
            font-weight: 500;
        }

        .page-banner h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-bright);
            letter-spacing: 0.03em;
        }

        .page-banner .banner-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }

        .banner-stats {
            display: flex;
            gap: 28px;
            margin-top: 8px;
            flex-wrap: wrap;
        }

        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .banner-stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-light);
        }

        .banner-stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Sections */
        .section {
            padding: 50px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-bright);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .section-header .section-subtitle {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .section-tag {
            display: inline-block;
            background: var(--accent-glow);
            color: var(--accent-light);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            margin-bottom: 10px;
        }

        /* Game cards grid */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .game-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }

        .game-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--primary-light);
        }

        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .game-card:hover .game-card-img img {
            transform: scale(1.06);
        }

        .game-card-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--accent);
            color: #1a1a1a;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .game-card-badge.hot {
            background: #e04040;
            color: #fff;
        }

        .game-card-badge.new {
            background: #40a060;
            color: #fff;
        }

        .game-card-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .game-card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-bright);
            letter-spacing: 0.02em;
        }

        .game-card-body .game-meta {
            display: flex;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .game-card-body .game-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .game-card-body .game-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            flex: 1;
        }

        .game-card-body .btn-play {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 9px 20px;
            border-radius: 25px;
            transition: all var(--transition-fast);
            align-self: flex-start;
            letter-spacing: 0.03em;
        }

        .game-card-body .btn-play:hover {
            background: var(--accent-light);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }

        /* Category cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .category-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .category-card .cat-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-lighter);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-light);
            transition: all var(--transition);
        }

        .category-card:hover .cat-icon {
            background: var(--accent);
            color: #1a1a1a;
            box-shadow: var(--shadow-glow);
        }

        .category-card h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-bright);
        }

        .category-card .cat-count {
            font-size: 0.75rem;
            color: var(--text-weak);
        }

        /* Stats row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition);
        }

        .stat-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
        }

        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            letter-spacing: 0.02em;
            line-height: 1;
        }

        .stat-card .stat-unit {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--accent-light);
            margin-left: 2px;
        }

        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* Feature list */
        .feature-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .feature-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        .feature-item .feat-icon {
            font-size: 1.6rem;
            color: var(--accent-light);
        }

        .feature-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-bright);
        }

        .feature-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px 18px;
            transition: all var(--transition);
        }

        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .news-item .news-date {
            flex-shrink: 0;
            background: var(--primary-lighter);
            color: var(--accent-light);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            text-align: center;
            min-width: 52px;
            letter-spacing: 0.03em;
        }

        .news-item .news-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-bright);
            margin-bottom: 4px;
        }

        .news-item .news-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .news-item .news-info .news-link {
            display: inline-block;
            margin-top: 6px;
            font-size: 0.78rem;
            color: var(--accent-light);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .news-item .news-info .news-link:hover {
            color: var(--text-bright);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            color: var(--text-bright);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 16px 20px;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            letter-spacing: 0.02em;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: var(--primary-light);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition);
            color: var(--accent-light);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 20px 18px;
        }

        /* CTA */
        .cta-section {
            background: var(--primary-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 44px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: var(--accent-glow);
            filter: blur(60px);
            z-index: 0;
            pointer-events: none;
        }

        .cta-section>* {
            position: relative;
            z-index: 1;
        }

        .cta-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-bright);
            margin-bottom: 8px;
        }

        .cta-section p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: 28px;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            box-shadow: var(--shadow);
        }

        .btn-cta:hover {
            background: var(--accent-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid var(--border);
            padding: 40px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 28px;
            margin-bottom: 24px;
        }

        .footer-col .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-bright);
            letter-spacing: 0.03em;
            margin-bottom: 4px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-bright);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
            line-height: 1.6;
        }

        .footer-col a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 16px;
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-weak);
            letter-spacing: 0.02em;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 4px 0 40px rgba(0, 0, 0, 0.6);
            }
            .sidebar-overlay.show {
                display: block;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .page-banner {
                margin-top: var(--topbar-height);
                padding: 36px 0;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .game-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-list {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .banner-stats {
                gap: 16px;
            }
            .banner-stat-item .stat-num {
                font-size: 1.3rem;
            }
            .section {
                padding: 34px 0;
            }
            .cta-section {
                padding: 30px 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .game-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .feature-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .page-banner .banner-desc {
                font-size: 0.85rem;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .banner-stats {
                gap: 10px;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .cta-section h3 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category3 */
:root {
            --sidebar-width: 260px;
            --primary: #d4a84b;
            --primary-dark: #b8912e;
            --primary-light: #f0d078;
            --primary-glow: rgba(212, 168, 75, 0.25);
            --gold-gradient: linear-gradient(135deg, #d4a84b 0%, #f0d078 30%, #c8963e 60%, #e8c560 100%);
            --bg-dark: #0d0d1a;
            --bg-body: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-surface: #1e1e35;
            --bg-elevated: #252540;
            --bg-sidebar: #0a0a16;
            --text-primary: #f0f0f5;
            --text-secondary: #b8b8cc;
            --text-muted: #7a7a95;
            --text-gold: #d4a84b;
            --border: #2a2a40;
            --border-light: #353555;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 24px rgba(212, 168, 75, 0.2);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        ul {
            list-style: none;
        }

        .app-shell {
            display: flex;
            width: 100%;
            min-height: 100vh;
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            width: var(--sidebar-width);
            min-width: var(--sidebar-width);
            background: var(--bg-sidebar);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            height: 100vh;
            z-index: 1000;
            padding: 24px 16px;
            overflow-y: auto;
            transition: transform var(--transition), opacity var(--transition);
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 8px 24px 8px;
            margin-bottom: 8px;
            border-bottom: 1px solid var(--border);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }
        .sidebar-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1a1a1a;
            font-size: 1.25rem;
            font-weight: 900;
            flex-shrink: 0;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 3px;
            flex: 1;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.93rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: var(--bg-surface);
            color: var(--text-primary);
            transform: translateX(3px);
        }
        .sidebar-nav a.active {
            background: linear-gradient(135deg, rgba(212, 168, 75, 0.18) 0%, rgba(212, 168, 75, 0.06) 100%);
            color: var(--primary);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--primary);
            border-radius: var(--radius-sm);
        }
        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            background: var(--primary);
            border-radius: 0 3px 3px 0;
        }
        .nav-badge {
            font-size: 0.7rem;
            background: #e74c3c;
            color: #fff;
            padding: 2px 7px;
            border-radius: 10px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-left: auto;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .sidebar-footer-info {
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== MAIN CONTENT ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            background: var(--bg-body);
        }

        /* ========== MOBILE HEADER BAR ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-sidebar);
            border-bottom: 1px solid var(--border);
            padding: 12px 16px;
            align-items: center;
            gap: 12px;
            height: 56px;
        }
        .mobile-topbar .hamburger {
            font-size: 1.5rem;
            color: var(--text-primary);
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            line-height: 1;
            flex-shrink: 0;
        }
        .mobile-topbar .mobile-logo {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.1rem;
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.65);
            z-index: 998;
        }
        .sidebar-overlay.active {
            display: block;
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            padding: 80px 40px 90px;
            background: var(--bg-dark);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .page-hero .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.28;
            z-index: 0;
        }
        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 13, 26, 0.7) 0%, rgba(13, 13, 26, 0.88) 60%, rgba(15, 15, 26, 0.96) 100%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
        }
        .page-hero .hero-label {
            display: inline-block;
            background: rgba(212, 168, 75, 0.15);
            color: var(--primary-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
            border: 1px solid rgba(212, 168, 75, 0.3);
        }
        .page-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .page-hero h1 .gold-text {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 600px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--gold-gradient);
            color: #1a1a1a;
            box-shadow: 0 4px 18px rgba(212, 168, 75, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 168, 75, 0.5);
        }
        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(212, 168, 75, 0.1);
            border-color: var(--primary-light);
            color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 15px 34px;
            font-size: 1.05rem;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 70px 40px;
        }
        .section-dark {
            background: var(--bg-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.4px;
            margin-bottom: 8px;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 550px;
            margin: 0 auto;
        }

        /* ========== TIER CARDS ========== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .tier-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 20px 28px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-light);
        }
        .tier-card.tier-silver {
            border-top: 3px solid #b0b0c0;
        }
        .tier-card.tier-gold {
            border-top: 3px solid #d4a84b;
            box-shadow: var(--shadow-gold);
        }
        .tier-card.tier-platinum {
            border-top: 3px solid #a8d0e6;
        }
        .tier-card.tier-diamond {
            border-top: 3px solid #e0f7ff;
            background: linear-gradient(180deg, #1a1a35 0%, #1e1e38 100%);
        }
        .tier-card .tier-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            background: var(--bg-surface);
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .tier-card.tier-silver .tier-icon {
            color: #b0b0c0;
            background: rgba(176, 176, 192, 0.12);
        }
        .tier-card.tier-gold .tier-icon {
            color: #d4a84b;
            background: rgba(212, 168, 75, 0.15);
            box-shadow: 0 0 20px rgba(212, 168, 75, 0.2);
        }
        .tier-card.tier-platinum .tier-icon {
            color: #a8d0e6;
            background: rgba(168, 208, 230, 0.12);
        }
        .tier-card.tier-diamond .tier-icon {
            color: #e0f7ff;
            background: rgba(224, 247, 255, 0.15);
            box-shadow: 0 0 24px rgba(180, 220, 255, 0.25);
        }
        .tier-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: #ffffff;
        }
        .tier-card .tier-threshold {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .tier-card .tier-benefits {
            list-style: none;
            text-align: left;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.9;
        }
        .tier-card .tier-benefits li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            margin-right: 6px;
            color: var(--primary);
            font-size: 0.7rem;
        }
        .tier-badge-recommended {
            position: absolute;
            top: 14px;
            right: -28px;
            background: var(--gold-gradient);
            color: #1a1a1a;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 30px;
            transform: rotate(35deg);
            letter-spacing: 0.5px;
        }

        /* ========== BENEFIT CARDS ========== */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .benefit-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 22px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
        }
        .benefit-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--border-light);
        }
        .benefit-card .benefit-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(212, 168, 75, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .benefit-card h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 600;
            color: #ffffff;
        }
        .benefit-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== POINTS SYSTEM ========== */
        .points-block {
            max-width: 900px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--border);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .points-block h3 {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }
        .points-list {
            list-style: none;
        }
        .points-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .points-list li:last-child {
            border-bottom: none;
        }
        .points-list li i {
            color: var(--primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== EVENT CARDS ========== */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: 1050px;
            margin: 0 auto;
        }
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .event-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-light);
        }
        .event-card .event-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .event-card .event-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .event-card:hover .event-img-wrap img {
            transform: scale(1.06);
        }
        .event-card .event-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #1a1a1a;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .event-card .event-body {
            padding: 18px 16px;
        }
        .event-card .event-body h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 6px;
        }
        .event-card .event-body .event-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .event-card .event-body p {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 12px;
        }
        .event-card .event-body .event-link {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition-fast);
        }
        .event-card .event-body .event-link:hover {
            color: var(--primary-light);
            gap: 8px;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 20px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow);
            border-color: var(--border-light);
        }
        .testimonial-card .testimonial-stars {
            color: #f0c060;
            font-size: 0.85rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            font-style: italic;
            margin-bottom: 14px;
        }
        .testimonial-card .testimonial-author {
            font-weight: 600;
            color: #ffffff;
            font-size: 0.88rem;
        }
        .testimonial-card .testimonial-role {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            width: 100%;
            background: none;
            color: #ffffff;
            font-size: 0.98rem;
            font-weight: 600;
            padding: 18px 20px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            border: none;
            font-family: var(--font-heading);
            letter-spacing: 0.3px;
        }
        .faq-question i {
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-dark);
            text-align: center;
            padding: 70px 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(212, 168, 75, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1rem;
        }
        .cta-section .btn {
            font-size: 1rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #080812;
            border-top: 1px solid var(--border);
            padding: 48px 40px 24px;
            margin-top: 0;
        }
        .site-footer .container {
            max-width: 1100px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: #9999aa;
            font-size: 0.84rem;
            padding: 5px 0;
            transition: var(--transition-fast);
            line-height: 1.7;
        }
        .footer-col a:hover {
            color: var(--primary);
            transform: translateX(3px);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            color: #6a6a80;
            font-size: 0.78rem;
            letter-spacing: 0.3px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1100px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .points-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                opacity: 0;
                z-index: 1001;
            }
            .sidebar.mobile-open {
                transform: translateX(0);
                opacity: 1;
                box-shadow: 4px 0 30px rgba(0, 0, 0, 0.7);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .page-hero {
                padding: 60px 24px 70px;
                min-height: 340px;
                margin-top: 56px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero .hero-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 48px 20px;
            }
            .cta-section {
                padding: 50px 20px;
            }
            .site-footer {
                padding: 36px 20px 20px;
            }
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 640px) {
            .page-hero {
                padding: 44px 16px 50px;
                min-height: 280px;
                margin-top: 56px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-desc {
                font-size: 0.85rem;
            }
            .page-hero .hero-content {
                max-width: 100%;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.85rem;
            }
            .btn-lg {
                padding: 13px 24px;
                font-size: 0.9rem;
            }
            .section {
                padding: 36px 14px;
            }
            .section-header h2 {
                font-size: 1.45rem;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .tier-card {
                padding: 20px 12px 18px;
            }
            .tier-card h3 {
                font-size: 0.95rem;
            }
            .tier-card .tier-benefits {
                font-size: 0.75rem;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .event-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .points-block {
                padding: 24px 16px;
            }
            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-answer p {
                font-size: 0.8rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .site-footer {
                padding: 30px 14px 18px;
            }
        }
        @media (max-width: 400px) {
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .page-hero h1 {
                font-size: 1.35rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #7c3aed;
            --primary-light: #a78bfa;
            --primary-dark: #5b21b6;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg-dark: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-sidebar: #0a0a14;
            --bg-section: #141428;
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --border-color: #2a2a44;
            --border-light: #3a3a55;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 260px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-sidebar);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 0;
            border-right: 1px solid var(--border-color);
            transition: transform var(--transition);
            overflow-y: auto;
            box-shadow: 4px 0 40px rgba(0, 0, 0, 0.5);
        }

        .sidebar-logo {
            padding: 0 24px 24px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sidebar-logo .logo-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(124, 58, 237, 0.4);
        }

        .sidebar-logo .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .sidebar-logo .logo-text span {
            color: var(--accent);
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0 14px;
            flex: 1;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            background: rgba(124, 58, 237, 0.1);
            color: var(--text-primary);
        }

        .sidebar-nav a.active {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(124, 58, 237, 0.08));
            color: #fff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--primary);
        }

        .sidebar-nav a.active i {
            color: var(--accent-light);
        }

        .nav-badge {
            background: var(--accent);
            color: #1a1a2e;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-left: auto;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .sidebar-footer-box {
            padding: 18px 24px;
            margin: 20px 14px 0;
            background: rgba(124, 58, 237, 0.08);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .sidebar-footer-box strong {
            color: var(--accent-light);
            display: block;
            font-size: 0.9rem;
            margin-bottom: 2px;
        }

        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .mobile-toggle {
            display: none;
            position: fixed;
            top: 14px;
            left: 14px;
            z-index: 1100;
            width: 42px;
            height: 42px;
            background: var(--bg-sidebar);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: var(--primary);
            border-color: var(--primary);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 999;
            transition: opacity var(--transition);
        }

        .page-banner {
            background: linear-gradient(135deg, #1a1040 0%, #0f0f2a 40%, #0a0a1e 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 70px 40px 60px;
            position: relative;
            border-bottom: 1px solid var(--border-color);
            min-height: 300px;
            display: flex;
            align-items: center;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, var(--bg-dark) 95%);
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            letter-spacing: 0.4px;
        }

        .banner-breadcrumb a {
            color: var(--accent-light);
        }
        .banner-breadcrumb a:hover {
            color: var(--accent);
        }

        .banner-breadcrumb span {
            color: var(--text-muted);
        }

        .banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .banner-title span {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 650px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        .section {
            padding: 64px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(124, 58, 237, 0.2);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border: 1px solid rgba(124, 58, 237, 0.3);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .story-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
        }

        .story-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .story-image-wrapper:hover img {
            transform: scale(1.04);
        }

        .story-image-wrapper .story-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            color: var(--accent-light);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1px;
            border: 1px solid rgba(245, 158, 11, 0.4);
        }

        .story-text h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .story-text p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .story-stats-row {
            display: flex;
            gap: 24px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .story-stat {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            text-align: center;
            min-width: 100px;
            flex: 1;
            box-shadow: var(--shadow-sm);
        }

        .story-stat .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 1px;
        }
        .story-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .timeline-section {
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .timeline {
            position: relative;
            padding-left: 40px;
            margin-top: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--primary-dark), transparent);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 36px;
            padding-left: 40px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px 20px 52px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .timeline-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            transform: translateX(4px);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 24px;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid var(--bg-section);
            box-shadow: 0 0 14px rgba(124, 58, 237, 0.6);
            z-index: 2;
        }

        .timeline-year {
            font-weight: 800;
            color: var(--accent);
            font-size: 1.1rem;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }
        .timeline-title {
            font-weight: 700;
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 6px;
        }
        .timeline-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .values-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .value-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .value-card:hover {
            border-color: var(--primary);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .value-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(124, 58, 237, 0.05));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--primary-light);
            border: 1px solid rgba(124, 58, 237, 0.3);
        }

        .value-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .value-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.65;
        }

        .team-highlight {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .team-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .team-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .team-card .team-img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
            background: var(--bg-section);
        }
        .team-card .team-info {
            padding: 16px 12px;
        }
        .team-card .team-name {
            font-weight: 700;
            color: #fff;
            font-size: 1.05rem;
        }
        .team-card .team-role {
            color: var(--accent-light);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-top: 2px;
        }

        .cta-section {
            background: linear-gradient(135deg, #1a1040, #0f0f2a);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            padding: 70px 0;
        }

        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section .cta-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.4px;
            transition: var(--transition);
            text-align: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 6px 22px rgba(124, 58, 237, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(124, 58, 237, 0.5);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
        }

        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary-light);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .site-footer {
            background: var(--bg-sidebar);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 20px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent-light);
            padding-left: 6px;
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            letter-spacing: 0.3px;
        }

        @media (max-width: 1024px) {
            .values-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .team-highlight {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-banner {
                padding: 50px 24px 44px;
            }
            .banner-title {
                font-size: 2rem;
            }
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay.active {
                display: block;
            }
            .mobile-toggle {
                display: flex;
            }
            .main-content {
                margin-left: 0;
            }
        }

        @media (max-width: 768px) {
            .values-grid {
                grid-template-columns: 1fr;
            }
            .team-highlight {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section {
                padding: 40px 0;
            }
            .container {
                padding: 0 18px;
            }
            .banner-title {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .story-stats-row {
                flex-direction: column;
                gap: 12px;
            }
            .timeline {
                padding-left: 20px;
            }
            .timeline-item {
                padding-left: 36px;
            }
            .timeline-item::before {
                left: -22px;
                width: 10px;
                height: 10px;
            }
        }

        @media (max-width: 520px) {
            .team-highlight {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .page-banner {
                padding: 36px 16px 32px;
                min-height: 220px;
            }
            .banner-title {
                font-size: 1.4rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.85rem;
            }
            .story-image-wrapper {
                aspect-ratio: 3/2;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #6c3ce0;
            --primary-light: #8b5cf6;
            --primary-dark: #4c1d95;
            --accent: #f5496b;
            --accent-glow: #ff6b8a;
            --gold: #f0c060;
            --gold-light: #f7d98c;
            --bg-dark: #0a0a14;
            --bg-sidebar: #06060f;
            --bg-card: #141428;
            --bg-card-hover: #1a1a35;
            --bg-surface: #0f0f1f;
            --text-primary: #e8e8f0;
            --text-secondary: #b0b0c8;
            --text-muted: #7a7a9a;
            --text-white: #f5f5fa;
            --border-subtle: #1e1e36;
            --border-card: #252545;
            --border-glow: rgba(108, 60, 224, 0.35);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 30px rgba(108, 60, 224, 0.25);
            --shadow-accent: 0 0 24px rgba(245, 73, 107, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50%;
            --sidebar-width: 250px;
            --sidebar-collapsed: 68px;
            --header-mobile-height: 56px;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background-color: var(--bg-dark);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            line-height: 1.3;
            font-weight: 700;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-sidebar);
            border-right: 1px solid var(--border-subtle);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-smooth), width var(--transition-smooth);
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: var(--shadow-lg);
        }

        .sidebar-logo {
            padding: 20px 20px 10px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 8px;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }

        .sidebar-logo .logo-text {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text-white);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .sidebar-logo .logo-sub {
            font-size: 0.68rem;
            color: var(--text-muted);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .sidebar-nav {
            flex: 1;
            padding: 4px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 1rem;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .sidebar-nav a:hover {
            background: rgba(108, 60, 224, 0.1);
            color: var(--text-white);
        }

        .sidebar-nav a:hover i {
            color: var(--primary-light);
        }

        .sidebar-nav a.active {
            background: linear-gradient(135deg, rgba(108, 60, 224, 0.25), rgba(245, 73, 107, 0.15));
            color: var(--text-white);
            font-weight: 600;
            box-shadow: var(--shadow-glow);
            border: 1px solid var(--border-glow);
        }

        .sidebar-nav a.active i {
            color: var(--accent-glow);
        }

        .nav-badge {
            font-size: 0.68rem;
            background: var(--accent);
            color: #fff;
            padding: 2px 8px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.3px;
            animation: badgePulse 2s ease-in-out infinite;
            margin-left: auto;
        }
        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(245, 73, 107, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(245, 73, 107, 0);
            }
        }

        .sidebar-footer-info {
            padding: 16px 20px;
            border-top: 1px solid var(--border-subtle);
            flex-shrink: 0;
        }

        .sidebar-footer-info .online-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: var(--radius-full);
            background: #2ecc71;
            margin-right: 6px;
            animation: dotPulse 1.5s ease-in-out infinite;
        }
        @keyframes dotPulse {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.6);
            }
            50% {
                opacity: 0.5;
                box-shadow: 0 0 0 10px rgba(46, 204, 113, 0);
            }
        }

        .sidebar-footer-info span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ============ MOBILE HEADER ============ */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--bg-sidebar);
            border-bottom: 1px solid var(--border-subtle);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
            box-shadow: var(--shadow-md);
        }

        .mobile-header .hamburger {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--border-card);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-primary);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .mobile-header .hamburger:hover {
            background: rgba(108, 60, 224, 0.15);
            border-color: var(--border-glow);
        }

        .mobile-header .mobile-logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--text-white);
            letter-spacing: 0.5px;
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 998;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .mobile-overlay.active {
            display: block;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            transition: margin-left var(--transition-smooth);
        }

        /* ============ HERO SECTION ============ */
        .page-hero {
            position: relative;
            padding: 80px 40px 90px;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 10, 20, 0.88) 0%, rgba(10, 10, 20, 0.7) 40%, rgba(108, 60, 224, 0.35) 100%);
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-dark) 0%, transparent 100%);
            z-index: 2;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 3;
            max-width: 750px;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 73, 107, 0.2);
            border: 1px solid rgba(245, 73, 107, 0.4);
            color: var(--accent-glow);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 7px 16px;
            border-radius: 30px;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
            animation: fadeInUp 0.6s ease;
        }

        .page-hero .hero-badge .live-dot {
            width: 10px;
            height: 10px;
            border-radius: var(--radius-full);
            background: var(--accent);
            animation: dotPulse 1.2s ease-in-out infinite;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 1px;
            line-height: 1.25;
            animation: fadeInUp 0.7s ease;
        }

        .page-hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-glow), var(--gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 600px;
            animation: fadeInUp 0.8s ease;
        }

        .page-hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            animation: fadeInUp 0.9s ease;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            box-shadow: var(--shadow-accent);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(245, 73, 107, 0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--accent-glow));
        }

        .btn-primary:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(245, 73, 107, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline:hover {
            border-color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: 24px;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold), #e0a830);
            color: #1a1a1a;
            font-weight: 700;
            box-shadow: 0 4px 20px rgba(240, 192, 96, 0.35);
        }
        .btn-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(240, 192, 96, 0.5);
        }

        /* ============ SECTION COMMONS ============ */
        .section {
            padding: 70px 40px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-glow);
            background: rgba(245, 73, 107, 0.1);
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.6px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 2rem;
            color: var(--text-white);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 550px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        /* ============ FEATURE CARDS ============ */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 0 0 4px 4px;
            transition: width var(--transition-smooth);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            background: var(--bg-card-hover);
        }

        .feature-card:hover::before {
            width: 70%;
        }

        .feature-card .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: #fff;
            transition: all var(--transition-smooth);
        }

        .feature-card:nth-child(1) .feature-icon {
            background: linear-gradient(135deg, #6c3ce0, #8b5cf6);
        }
        .feature-card:nth-child(2) .feature-icon {
            background: linear-gradient(135deg, #f5496b, #ff6b8a);
        }
        .feature-card:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, #0ea5e9, #38bdf8);
        }
        .feature-card:nth-child(4) .feature-icon {
            background: linear-gradient(135deg, #f0c060, #f7d98c);
            color: #1a1a1a;
        }

        .feature-card h3 {
            font-size: 1.1rem;
            color: var(--text-white);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .feature-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ LIVE ROOM CARDS ============ */
        .live-rooms-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .live-room-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
        }

        .live-room-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .live-room-card .room-thumb {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .live-room-card .room-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .live-room-card:hover .room-thumb img {
            transform: scale(1.06);
        }

        .live-room-card .live-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 14px;
            letter-spacing: 0.4px;
            display: flex;
            align-items: center;
            gap: 5px;
            z-index: 2;
        }

        .live-room-card .live-tag::before {
            content: '';
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            animation: dotPulse 1.2s ease-in-out infinite;
        }

        .live-room-card .viewer-count {
            position: absolute;
            bottom: 10px;
            right: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 12px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .live-room-card .room-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 50%);
            z-index: 1;
        }

        .live-room-card .room-info {
            padding: 16px 18px;
        }

        .live-room-card .room-info h4 {
            font-size: 1rem;
            color: var(--text-white);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .live-room-card .room-info .room-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .live-room-card .room-info .room-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ STATS ROW ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
            margin-bottom: 4px;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        /* ============ INTERACTIVE HIGHLIGHTS ============ */
        .highlight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
        }

        .highlight-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16 / 11;
        }

        .highlight-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .highlight-image-wrap:hover img {
            transform: scale(1.04);
        }

        .highlight-text h3 {
            font-size: 1.6rem;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }

        .highlight-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 0.95rem;
        }

        .highlight-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .highlight-list li i {
            color: var(--gold);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ============ SCHEDULE TABLE ============ */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all var(--transition-fast);
        }

        .schedule-item:hover {
            border-color: var(--border-glow);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-sm);
        }

        .schedule-time {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-glow);
            min-width: 80px;
            letter-spacing: 0.4px;
            flex-shrink: 0;
        }

        .schedule-info {
            flex: 1;
        }

        .schedule-info h4 {
            font-size: 0.95rem;
            color: var(--text-white);
            margin-bottom: 2px;
        }

        .schedule-info span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .schedule-status {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 16px;
            flex-shrink: 0;
            letter-spacing: 0.3px;
        }

        .schedule-status.upcoming {
            background: rgba(240, 192, 96, 0.15);
            color: var(--gold);
        }
        .schedule-status.live-now {
            background: rgba(245, 73, 107, 0.2);
            color: var(--accent-glow);
            animation: badgePulse 2s ease-in-out infinite;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--border-glow);
        }

        .faq-item .faq-question {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-white);
            letter-spacing: 0.3px;
            user-select: none;
        }

        .faq-item .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent-glow);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, rgba(108, 60, 224, 0.2) 0%, rgba(245, 73, 107, 0.15) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            margin: 0 40px 70px;
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(108, 60, 224, 0.15);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(245, 73, 107, 0.1);
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 40px 24px;
            margin-left: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 30px;
        }

        .footer-col .footer-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text-white);
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }

        .footer-col a {
            display: block;
            font-size: 0.84rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .footer-col a:hover {
            color: var(--accent-glow);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1200px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .live-rooms-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 50px 28px;
            }
            .page-hero {
                padding: 60px 28px 70px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .cta-section {
                margin: 0 28px 50px;
            }
            .site-footer {
                padding: 40px 28px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                width: var(--sidebar-width);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: var(--header-mobile-height);
            }
            .page-hero {
                padding: 50px 20px 60px;
                min-height: 340px;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero .hero-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 40px 20px;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .cta-section {
                margin: 0 20px 40px;
                padding: 36px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .site-footer {
                padding: 36px 20px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .live-rooms-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .page-hero {
                padding: 36px 16px 48px;
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 1.55rem;
            }
            .page-hero .hero-desc {
                font-size: 0.85rem;
            }
            .page-hero .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .page-hero .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section {
                padding: 32px 14px;
            }
            .section-header {
                margin-bottom: 30px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .schedule-item {
                flex-wrap: wrap;
                gap: 8px;
                padding: 14px 16px;
            }
            .schedule-time {
                min-width: auto;
                font-size: 0.8rem;
            }
            .cta-section {
                margin: 0 14px 32px;
                padding: 28px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section p {
                font-size: 0.88rem;
            }
            .site-footer {
                padding: 30px 14px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .highlight-grid {
                gap: 20px;
            }
            .highlight-text h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.3rem;
            }
            .page-hero .hero-badge {
                font-size: 0.72rem;
                padding: 5px 12px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.85rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .stat-card .stat-label {
                font-size: 0.72rem;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .feature-card h3 {
                font-size: 0.95rem;
            }
            .live-room-card .room-info h4 {
                font-size: 0.9rem;
            }
            .faq-item .faq-question {
                font-size: 0.85rem;
                padding: 14px 16px;
            }
            .faq-item .faq-answer {
                font-size: 0.8rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
            .schedule-item {
                padding: 12px 14px;
            }
            .schedule-info h4 {
                font-size: 0.82rem;
            }
        }